Last updated: August 21, 2025
September in Abomey, Benin offers a warm climate characterized by an average temperature of 26°C (79°F), with maximum highs reaching up to 33°C (92°F). Nighttime brings a slight relief, with temperatures dipping to a minimum of 21°C (71°F). However, this month is notably marked by its high humidity levels, averaging 91%, alongside significant rainfall amounting to 183 mm (7.2 in) across 23 days. As a result, travelers and locals alike can expect a wet and steamy atmosphere, defining the essence of September in this vibrant locale.
In September, Abomey, Benin experiences a subtle transition in its climate, with temperatures averaging around 26°C (79°F). The month begins with a minimum of 21°C (71°F) and peaks at a comfortable 33°C (92°F), showcasing a slight decrease in both minimum and average temperatures compared to the hotter months preceding it. This trend suggests a gentle cooldown from the sweltering summer, inviting outdoor activities as the humidity begins to wane. Overall, September serves as a delightful prelude to the cooler months, blending warm days with a refreshing air that revitalizes the vibrant atmosphere of Abomey.
In September, Abomey, Benin experiences a peak in precipitation, recording 183 mm (7.2 in) of rainfall over 23 days, making it one of the wettest months of the year. This sharp increase continues the upward trend seen from the preceding months of July and August, where rainfall consistently elevated, contributing to a lush landscape. The rain during September typically signifies the transition toward the end of the rainy season, with the frequency of precipitation days mirroring the earlier months. As the wet season begins to wind down, the lush greenery from the abundant rains begins to dominate the environment, setting the stage for the drier months ahead.
In September, Abomey, Benin, experiences its highest humidity of the year at an impressive 91%. This marks a continuation of the upward trend that begins in the early months, where humidity steadily rises from a comfortable 36% in January to a peak in the late summer months. As the rainy season progresses from April to August, residents feel the increasing moisture in the air, culminating in September's oppressive levels. Fortunately, after this peak, the humidity begins a gradual decline in the following months, providing a slight reprieve before the dry season approaches. Thus, September serves as both a climactic point of humidity and a transitional phase in Abomey's annual weather pattern.
In September, Abomey, Benin, experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This indicates that as the year progresses, the UV levels remain consistently high throughout the peak months, reflecting a trend of elevated solar exposure from March to May, peaking in April with an Index of 14. Following a slight dip in November and December to 9, the UV Index demonstrates the necessity for protective measures during this month. With such high levels of UV radiation, it’s crucial for residents and visitors to stay vigilant about sun safety. For more details on the UV Index in Abomey, check out Abomey UV Index.
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September in Abomey, Benin, brings a gentle shift in sunlight, offering 283 hours of brightness to the month. While this is a noticeable dip from the sun-drenched 323 hours of May, it maintains a warm glow in comparison to the preceding summer months, which hovered around 296 to 297 hours. As the rainy season approaches, the light begins to soften, yet September still glistens with the promise of vibrant days ahead. Looking beyond, it’s clear that Abomey enjoys a beautiful spectrum of sunshine throughout the year, peaking in May and gradually transitioning towards the cooler, yet still radiant, months of October and beyond. The blend of 306 to 319 hours in late autumn ensures that the charm of Abomey's sun-drenched landscapes continues to captivate.
In September, Abomey, Benin experiences a significant dip in sunny weather, with only a 17% chance of sunshine. This trend is part of a broader decline in sunny days as the year progresses, particularly from the peak of 57% in January to a worrying low in the late summer months, culminating in a mere 12% in August. Following this, September remains below average, indicating that those seeking sunshine might want to plan their visits for earlier months, as the likelihood of sunny days begins to increase again in October, rising to 28%. Thus, September can be characterized as a transitional month where anticipation of brighter days is palpable, yet the reality tends to lean towards cloudier skies.
In Abomey, Benin, the duration of daylight presents a fascinating rhythm throughout the year. From January to August, residents enjoy a generous span of 12 hours of daylight, creating an inviting atmosphere for outdoor activities and lively community interactions. This consistency peaks during the vibrant summer months and seamlessly transitions into September, where the daylight remains comfortably at 12 hours. As the year progresses into the latter months, a gentle decline in daylight occurs, with both October and November returning to 11 hours. This balanced cycle of light and shadow reflects the region’s steady climate, enticing both locals and visitors to embrace the sun-drenched days of September before the year gradually shifts into shorter daylight hours.
As September sweeps into Abomey, Benin, the winds begin to soften, with average wind speeds dropping to 1.7 m/s (4 mph). This marks a noticeable decline from the breezier months of the summer, where winds hovered around 2.5 m/s (6 mph) in July and 2.6 m/s (6 mph) in April. The gentle caress of the September breeze signals a transition into the drier season, creating a calm yet inviting atmosphere. As the year progresses, wind speeds tend to stabilize around this lower threshold, with October showing only a slight increase to 1.8 m/s (4 mph). This trend reflects not only the changing seasons but also the unique climate dynamics characteristic of Abomey's vibrant landscape.
Weather in Abomey varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Abomey, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather tends to be warm and humid, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 33°C (92°F). The month experiences considerable rainfall, with about 183 mm (7.2 in) of precipitation spread over 23 days, contributing to a humidity level of 91%. In contrast, January brings drier conditions and higher average temperatures, with a minimum of 19°C (66°F) and a peak of 37°C (100°F). Rain is virtually nonexistent, with only 4 mm (0.2 in) recorded over the entire month and no rainy days, leading to a much lower humidity level of 36%. For more detailed information, visit Abomey weather in January.
September and February present quite contrasting weather conditions. In September, temperatures range from a minimum of 21°C (71°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F). This month sees substantial rainfall, totaling 183 mm (7.2 in) over 23 days, and the humidity remains high at 91%. In contrast, February enjoys significantly warmer temperatures, ranging from 21°C (69°F) to a scorching maximum of 39°C (103°F), with an average of 30°C (86°F). Precipitation is minimal in February, with only 29 mm (1.1 in) over just 5 days, resulting in a much drier atmosphere and lower humidity at 45%. For more details, you can check Abomey weather in February.
When comparing the weather in September and March, we notice some significant differences. September tends to be more humid, with an average temperature of 26°C (79°F) and a maximum reaching 33°C (92°F), alongside substantial rainfall of 183 mm (7.2 in) over 23 days. In contrast, March experiences warmer temperatures, with a minimum of 23°C (74°F) and an average of 30°C (85°F), peaking at 39°C (102°F). This month is also much drier, receiving only 61 mm (2.4 in) of precipitation over 13 days and featuring lower humidity at 60%. For more specific insights, check out the detailed climate overview here: Abomey weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. In September, temperatures range from a minimum of 21°C (71°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F). The month is characterized by high humidity at 91% and significant rainfall totaling 183 mm (7.2 in) over 23 days. In contrast, April boasts higher temperatures, with a minimum of 22°C (72°F) and soaring highs up to 38°C (100°F), averaging 29°C (84°F). The rainfall is considerably less at 79 mm (3.1 in) across 15 days, and humidity levels drop to 75%. For a detailed look into April weather specifically, visit Abomey weather in April.
September and May present distinct weather characteristics in terms of temperature, precipitation, and humidity. September sees average temperatures ranging from 21°C (71°F) to a high of 33°C (92°F), while May is generally warmer, with temperatures spanning from 22°C (72°F) to a peak of 36°C (96°F). Although May has higher average temperatures, it also experiences less precipitation, with 112 mm (4.4 in) compared to September's 183 mm (7.2 in) over 18 and 23 days of rain, respectively. Additionally, September's humidity is notably higher at 91%, compared to May's 83%. For a more detailed comparison, you can visit Abomey weather in May.
September and June share a similar minimum temperature, both hovering around 21°C (70°F - 71°F), but June typically sees warmer highs, reaching up to 36°C (96°F) compared to September's maximum of 33°C (92°F). While September's average temperature is slightly lower at 26°C (79°F), it also experiences higher precipitation, with 183 mm (7.2 in) across 23 days, compared to June's 139 mm (5.5 in) over the same number of days. Additionally, the humidity is higher in September at 91%, while June's humidity is slightly lower at 86%. For a more detailed look at June’s weather, you can check out Abomey weather in June.
When comparing the weather in September to July, both months experience similar temperature ranges, with minimum temperatures around 21°C (71°F) and average temperatures of 26°C (79°F). However, September tends to be slightly warmer, reaching a maximum of 33°C (92°F), compared to July's maximum of 32°C (90°F). Additionally, September is notably wetter, with 183 mm (7.2 in) of precipitation over 23 days, compared to July's 164 mm (6.5 in) over the same number of days. The humidity also rises in September to 91%, compared to 87% in July, making September feel a bit more uncomfortable. For more details on July weather, you can check Abomey weather in July.
In comparing the weather patterns of September and August, we observe that both months maintain similar average temperatures, with September averaging 26°C (79°F) and August at 26°C (78°F). However, September experiences slightly higher maximum temperatures, reaching 33°C (92°F), compared to August's peak of 32°C (90°F). Precipitation also sees a notable increase in September, totaling 183 mm (7.2 in) over 23 days, while August records 172 mm (6.8 in) over 21 days. Additionally, humidity levels rise slightly from 90% in August to 91% in September, making the latter month feel a touch more oppressive. For more details about August weather, you can visit Abomey weather in August.
September and October exhibit similar warm conditions, with October being slightly warmer. September has a minimum temperature of 21°C (71°F), an average of 26°C (79°F), and a maximum of 33°C (92°F), while October records a minimum of 22°C (71°F), an average of 27°C (80°F), and a maximum of 34°C (94°F). Precipitation decreases in October to 144 mm (5.7 in) over 19 days, compared to September's 183 mm (7.2 in) over 23 days. Humidity levels are also marginally lower in October at 89%, in contrast to September's 91%. For more details, you can check Abomey weather in October.
In comparing the weather of September and November, September typically experiences a warm climate with minimum temperatures around 21°C (71°F) and maximums reaching up to 33°C (92°F), accompanied by significant rainfall of 183 mm (7.2 in) over 23 days and high humidity at 91%. In contrast, November boasts slightly warmer temperatures, with minimums of 22°C (72°F) and maximums soaring to 36°C (96°F), but it sees a dramatic decrease in precipitation, with only 31 mm (1.2 in) falling over just 9 days, resulting in a lower humidity level of 82%. For more detailed information, you can check Abomey weather in November.
In comparing weather patterns between September and December, September is characterized by a more humid and rainier climate, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 33°C (92°F) and significant precipitation of 183 mm (7.2 in) over 23 days. Conversely, December experiences hotter temperatures, peaking at 36°C (98°F) and averaging 29°C (84°F), but with much lower precipitation of only 8 mm (0.3 in) over just 2 days, leading to a more comfortable humidity level of 68%. This transition from September's wet and humid conditions to December's dry heat highlights a notable shift in the weather. For more detailed information, you can visit Abomey weather in December.
September in Abomey brings a noteworthy shift in weather patterns, with high humidity levels and frequent rainfall contributing to a distinctly wet atmosphere. As temperatures hover comfortably around an average of 26°C (79°F), the month stands out with more rainy days compared to the drier months preceding it. The substantial precipitation, totaling 183 mm (7.2 in), creates a lush environment but also leads to an increase in cloudy days and a unique, refreshing feel in the air. For more insights into seasonal variations, explore Abomey Climate.